Concrete

Characteristics:

• Weak in tension.
• Quite strong in compression.
• Made of cement, water and small stones.
• It's cheap, resistant to weathe and fire and it molds into any form.
• It cracks if it's submited to temperature changes.

Concrete is a mixture of sand, stones, cement and water, which harden very fast into a solid material.

Concrete Shell Reinforced Concrete Prestresed Concrete Precast Concrete